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1979741316 = 223728394013
BaseRepresentation
bin111011000000000…
…0111010010000100
312002222020021112110
41312000013102010
513023303210231
6524240421020
7100026344400
oct16600072204
95088207473
101979741316
1192656aa53
12473017770
13257203287
1414ad04100
15b8c10046
hex76007484

1979741316 has 72 divisors (see below), whose sum is σ = 5381328960. Its totient is φ = 564825408.

The previous prime is 1979741297. The next prime is 1979741329. The reversal of 1979741316 is 6131479791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 491326 + ... + 495338.

It is an arithmetic number, because the mean of its divisors is an integer number (74740680).

Almost surely, 21979741316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1979741316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2690664480).

1979741316 is an abundant number, since it is smaller than the sum of its proper divisors (3401587644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1979741316 is a wasteful number, since it uses less digits than its factorization.

1979741316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4873 (or 4864 counting only the distinct ones).

The product of its digits is 285768, while the sum is 48.

The square root of 1979741316 is about 44494.2840823403. The cubic root of 1979741316 is about 1255.6525478463.

The spelling of 1979741316 in words is "one billion, nine hundred seventy-nine million, seven hundred forty-one thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 839 1678 2517 3356 4013 5034 5873 8026 10068 11746 12039 16052 17619 23492 24078 28091 35238 41111 48156 56182 70476 82222 84273 112364 123333 164444 168546 196637 246666 337092 393274 493332 589911 786548 1179822 2359644 3366907 6733814 10100721 13467628 20201442 23568349 40402884 47136698 70705047 94273396 141410094 164978443 282820188 329956886 494935329 659913772 989870658 1979741316